Resolver los siguientes ejercicios por el sistema de ecuaciones por los siguientes métodos; sustitución, igualación y reducción. A) {2X + Y = 6
{3X – Y = 4

B) 2X - 3Y = 9
3X + 5Y = -15

C) {2X + Y = -1
{ 3X + 2Y = 10

D) { X – Y / 7 = 2X -1 E) { X + 4Y = 16
{ 2X – Y-8/2 = X { X – 2Y = 4

step-by-step explanation:

where r the answers

step-by-step explanation:

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i